commit a6f15a6ac036209a4e42b2c30b5abb9b85880f05
Author: Tim Rohaly <tr@202830.no-reply.drupal.org>
Date:   Wed Mar 27 12:47:10 2019 -0700

    Issue #3043884 by TR: Composer require failure

diff --git a/composer.json b/composer.json
index f4d6142..8cac196 100644
--- a/composer.json
+++ b/composer.json
@@ -5,10 +5,5 @@
   "license": "GPL-2.0+",
   "minimum-stability": "dev",
   "require": {
-  },
-  "require-dev": {
-    "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
-    "drupal/coder": "8.2.*",
-    "squizlabs/php_codesniffer": "2.9.*"
   }
 }